United States Coast Survey. (1995). United States--east coast, Maryland--Virginia--District of Columbia, Potomac River, Mattawoman Creek to Georgetown. U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, Coast Survey.
Chicago Style (17th ed.) CitationUnited States Coast Survey. United States--east Coast, Maryland--Virginia--District of Columbia, Potomac River, Mattawoman Creek to Georgetown. Washington, D.C.: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, Coast Survey, 1995.
MLA (9th ed.) CitationUnited States Coast Survey. United States--east Coast, Maryland--Virginia--District of Columbia, Potomac River, Mattawoman Creek to Georgetown. U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, Coast Survey, 1995.